AQSQID: 401090097

Site Name: Near Road Okc

Location: Oklahoma City, OK

Reporting: True, Located: True

Current AQI: 38.0

Oklahoma City OK, US: 35.502968, -97.577674

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 19, 2019, 7 p.m. 41.0 ppb (38) 24.0 ppb (22) N/A 16.0 ppb (15) N/A N/A N/A 0.5 ppb (6) 20.0 μg/m3 (18) 5.7 μg/m3 (24) 38.0
 
Sept. 19, 2019, 6 p.m. 42.0 ppb (39) 24.0 ppb (22) N/A 17.0 ppb (16) N/A N/A N/A 0.5 ppb (6) 21.0 μg/m3 (19) 6.3 μg/m3 (26) 39.0
 
Sept. 19, 2019, 5 p.m. 37.0 ppb (34) 24.0 ppb (22) N/A 13.0 ppb (12) N/A N/A N/A 0.6 ppb (7) 23.0 μg/m3 (21) 7.1 μg/m3 (30) 34.0
 
Sept. 19, 2019, 4 p.m. 43.0 ppb (40) 28.0 ppb (26) N/A 15.0 ppb (14) N/A N/A N/A 0.5 ppb (6) 27.0 μg/m3 (25) 6.8 μg/m3 (28) 40.0
 
Sept. 19, 2019, 3 p.m. 47.0 ppb (44) 30.0 ppb (28) N/A 16.0 ppb (15) N/A N/A N/A 0.5 ppb (6) 23.0 μg/m3 (21) 7.8 μg/m3 (32) 44.0
 
Sept. 19, 2019, 2 p.m. 53.0 ppb (49) 33.0 ppb (31) N/A 19.0 ppb (18) N/A N/A N/A 0.6 ppb (7) 25.0 μg/m3 (23) 7.4 μg/m3 (31) 49.0
 
Sept. 19, 2019, 1 p.m. 67.0 ppb (64) 48.0 ppb (44) N/A 19.0 ppb (18) N/A N/A N/A 0.8 ppb (9) 30.0 μg/m3 (27) 8.4 μg/m3 (35) 64.0
 
Sept. 19, 2019, noon 83.0 ppb (81) 56.0 ppb (52) N/A 26.0 ppb (24) N/A N/A N/A 0.9 ppb (10) 23.0 μg/m3 (21) 8.1 μg/m3 (34) 81.0
 
Sept. 19, 2019, 11 a.m. 80.0 ppb (78) 54.0 ppb (50) N/A 26.0 ppb (24) N/A N/A N/A 0.8 ppb (9) 25.0 μg/m3 (23) 7.8 μg/m3 (32) 78.0
 
Sept. 19, 2019, 10 a.m. 58.0 ppb (54) 35.0 ppb (32) N/A 22.0 ppb (20) N/A N/A N/A 0.5 ppb (6) 24.0 μg/m3 (22) 7.5 μg/m3 (31) 54.0
 
Sept. 19, 2019, 9 a.m. 41.0 ppb (38) 19.0 ppb (18) N/A 22.0 ppb (20) N/A N/A N/A 0.4 ppb (4) 20.0 μg/m3 (18) 7.0 μg/m3 (29) 38.0
 
Sept. 19, 2019, 8 a.m. 29.0 ppb (27) 12.0 ppb (11) N/A 16.0 ppb (15) N/A N/A N/A 0.3 ppb (3) 17.0 μg/m3 (15) 6.6 μg/m3 (28) 28.0
 
Sept. 19, 2019, 7 a.m. 17.0 ppb (16) 5.0 ppb (5) N/A 12.0 ppb (11) N/A N/A N/A 0.3 ppb (3) 18.0 μg/m3 (16) 6.6 μg/m3 (28) 28.0
 
Sept. 19, 2019, 6 a.m. 30.0 ppb (28) 13.0 ppb (12) N/A 16.0 ppb (15) N/A N/A N/A 0.3 ppb (3) 17.0 μg/m3 (15) 6.1 μg/m3 (25) 28.0
 
Sept. 19, 2019, 5 a.m. 30.0 ppb (28) 11.0 ppb (10) N/A 18.0 ppb (17) N/A N/A N/A 0.4 ppb (4) 16.0 μg/m3 (15) 6.2 μg/m3 (26) 28.0
 
Sept. 19, 2019, 4 a.m. 52.0 ppb (48) 20.0 ppb (19) N/A 31.0 ppb (29) N/A N/A N/A 0.7 ppb (8) 23.0 μg/m3 (21) 8.9 μg/m3 (37) 48.0
 
Sept. 19, 2019, 3 a.m. 52.0 ppb (48) 20.0 ppb (19) N/A 31.0 ppb (29) N/A N/A N/A 0.7 ppb (8) 22.0 μg/m3 (20) 7.9 μg/m3 (33) 48.0
 
Sept. 19, 2019, 2 a.m. 60.0 ppb (56) 30.0 ppb (28) N/A 29.0 ppb (27) N/A N/A N/A 0.8 ppb (9) 24.0 μg/m3 (22) 7.4 μg/m3 (31) 56.0
 
Sept. 19, 2019, 1 a.m. 66.0 ppb (63) 36.0 ppb (33) N/A 29.0 ppb (27) N/A N/A N/A 0.8 ppb (9) 23.0 μg/m3 (21) 7.1 μg/m3 (30) 63.0
 
Sept. 19, 2019, midnight 58.0 ppb (54) 33.0 ppb (31) N/A 25.0 ppb (23) N/A N/A N/A 0.7 ppb (8) 23.0 μg/m3 (21) 6.9 μg/m3 (29) 54.0
 
Sept. 18, 2019, 11 p.m. 42.0 ppb (39) 25.0 ppb (23) N/A 16.0 ppb (15) N/A N/A N/A 0.6 ppb (7) 18.0 μg/m3 (16) 6.3 μg/m3 (26) 39.0
 
Sept. 18, 2019, 10 p.m. 47.0 ppb (44) 28.0 ppb (26) N/A 19.0 ppb (18) N/A N/A N/A 0.5 ppb (6) 15.0 μg/m3 (14) 5.8 μg/m3 (24) 44.0
 
Sept. 18, 2019, 9 p.m. 62.0 ppb (59) 35.0 ppb (32) N/A 26.0 ppb (24) N/A N/A N/A 0.7 ppb (8) 15.0 μg/m3 (14) 6.1 μg/m3 (25) 59.0
 
Sept. 18, 2019, 8 p.m. 47.0 ppb (44) 24.0 ppb (22) N/A 22.0 ppb (20) N/A N/A N/A N/A 17.0 μg/m3 (15) 6.1 μg/m3 (25) 44.0
 
Sept. 18, 2019, 7 p.m. 61.0 ppb (57) 35.0 ppb (32) N/A 25.0 ppb (23) N/A N/A N/A N/A 22.0 μg/m3 (20) 6.4 μg/m3 (27) 57.0
 
Sept. 18, 2019, 6 p.m. 55.0 ppb (51) 30.0 ppb (28) N/A 25.0 ppb (23) N/A N/A N/A N/A 25.0 μg/m3 (23) 7.2 μg/m3 (30) 51.0
 
Sept. 18, 2019, 5 p.m. 52.0 ppb (48) 28.0 ppb (26) N/A 24.0 ppb (22) N/A N/A N/A N/A 21.0 μg/m3 (19) 6.8 μg/m3 (28) 48.0
 
Sept. 18, 2019, 4 p.m. 51.0 ppb (47) 28.0 ppb (26) N/A 22.0 ppb (20) N/A N/A N/A N/A 26.0 μg/m3 (24) 7.5 μg/m3 (31) 47.0
 
Sept. 18, 2019, 3 p.m. 61.0 ppb (57) 36.0 ppb (33) N/A 25.0 ppb (23) N/A N/A N/A 0.5 ppb (6) 31.0 μg/m3 (28) 7.2 μg/m3 (30) 57.0
 
Sept. 18, 2019, 2 p.m. 70.0 ppb (67) 43.0 ppb (40) N/A 26.0 ppb (24) N/A N/A N/A 0.5 ppb (6) 27.0 μg/m3 (25) 6.7 μg/m3 (28) 67.0
 
Sept. 18, 2019, 1 p.m. 54.0 ppb (50) 30.0 ppb (28) N/A 24.0 ppb (22) N/A N/A N/A 0.4 ppb (4) 29.0 μg/m3 (26) 7.9 μg/m3 (33) 50.0
 
Sept. 18, 2019, noon 44.0 ppb (41) 15.0 ppb (14) N/A 28.0 ppb (26) N/A N/A N/A 0.4 ppb (4) 31.0 μg/m3 (28) 8.3 μg/m3 (35) 41.0
 
Sept. 18, 2019, 11 a.m. 91.0 ppb (89) 57.0 ppb (53) N/A 34.0 ppb (31) N/A N/A N/A 0.7 ppb (8) 26.0 μg/m3 (24) 8.3 μg/m3 (35) 89.0
 
Sept. 18, 2019, 10 a.m. 44.0 ppb (41) 21.0 ppb (19) N/A 22.0 ppb (20) N/A N/A N/A 0.3 ppb (3) 19.0 μg/m3 (17) 7.5 μg/m3 (31) 41.0
 
Sept. 18, 2019, 9 a.m. 14.0 ppb (13) 2.0 ppb (2) N/A 11.0 ppb (10) N/A N/A N/A 0.1 ppb (1) 17.0 μg/m3 (15) 7.2 μg/m3 (30) 30.0
 
Sept. 18, 2019, 8 a.m. 24.0 ppb (22) 6.0 ppb (6) N/A 18.0 ppb (17) N/A N/A N/A 0.1 ppb (1) 16.0 μg/m3 (15) 6.9 μg/m3 (29) 29.0
 
Sept. 18, 2019, 7 a.m. 23.0 ppb (21) 7.0 ppb (6) N/A 16.0 ppb (15) N/A N/A N/A 0.1 ppb (1) 17.0 μg/m3 (15) 6.3 μg/m3 (26) 26.0
 
Sept. 18, 2019, 6 a.m. 30.0 ppb (28) 6.0 ppb (6) N/A 24.0 ppb (22) N/A N/A N/A 0.1 ppb (1) 21.0 μg/m3 (19) 6.3 μg/m3 (26) 28.0
 
Sept. 18, 2019, 5 a.m. 40.0 ppb (37) 16.0 ppb (15) N/A 24.0 ppb (22) N/A N/A N/A 0.3 ppb (3) 26.0 μg/m3 (24) 7.3 μg/m3 (30) 37.0
 
Sept. 18, 2019, 4 a.m. 45.0 ppb (42) 21.0 ppb (19) N/A 23.0 ppb (21) N/A N/A N/A 0.4 ppb (4) 30.0 μg/m3 (27) 8.3 μg/m3 (35) 42.0
 
Sept. 18, 2019, 3 a.m. 55.0 ppb (51) 28.0 ppb (26) N/A 26.0 ppb (24) N/A N/A N/A 0.5 ppb (6) 29.0 μg/m3 (26) 9.5 μg/m3 (40) 51.0
 
Sept. 18, 2019, 2 a.m. 54.0 ppb (50) 27.0 ppb (25) N/A 26.0 ppb (24) N/A N/A N/A 0.5 ppb (6) 26.0 μg/m3 (24) 9.1 μg/m3 (38) 50.0
 
Sept. 18, 2019, 1 a.m. 65.0 ppb (62) 33.0 ppb (31) N/A 31.0 ppb (29) N/A N/A N/A 0.7 ppb (8) 32.0 μg/m3 (29) 9.7 μg/m3 (40) 62.0
 
Sept. 18, 2019, midnight 63.0 ppb (60) 31.0 ppb (29) N/A 32.0 ppb (30) N/A N/A N/A 0.7 ppb (8) 30.0 μg/m3 (27) 9.5 μg/m3 (40) 60.0
 
Sept. 17, 2019, 11 p.m. 60.0 ppb (56) 31.0 ppb (29) N/A 28.0 ppb (26) N/A N/A N/A 0.7 ppb (8) 28.0 μg/m3 (25) 10.4 μg/m3 (43) 56.0
 
Sept. 17, 2019, 10 p.m. 53.0 ppb (49) 27.0 ppb (25) N/A 25.0 ppb (23) N/A N/A N/A 0.5 ppb (6) 23.0 μg/m3 (21) 11.2 μg/m3 (47) 49.0
 
Sept. 17, 2019, 9 p.m. 54.0 ppb (50) 25.0 ppb (23) N/A 29.0 ppb (27) N/A N/A N/A 0.6 ppb (7) 29.0 μg/m3 (26) 13.1 μg/m3 (52) 52.0
 
Sept. 17, 2019, 8 p.m. 58.0 ppb (54) 30.0 ppb (28) N/A 27.0 ppb (25) N/A N/A N/A 0.7 ppb (8) 29.0 μg/m3 (26) 13.6 μg/m3 (53) 54.0
 
Sept. 17, 2019, 7 p.m. 47.0 ppb (44) 20.0 ppb (19) N/A 26.0 ppb (24) N/A N/A N/A 0.5 ppb (6) 31.0 μg/m3 (28) 13.4 μg/m3 (53) 53.0
 
Sept. 17, 2019, 6 p.m. 45.0 ppb (42) 21.0 ppb (19) N/A 24.0 ppb (22) N/A N/A N/A 0.5 ppb (6) 32.0 μg/m3 (29) 13.7 μg/m3 (54) 54.0
 
Sept. 17, 2019, 5 p.m. 46.0 ppb (43) 21.0 ppb (19) N/A 24.0 ppb (22) N/A N/A N/A 0.5 ppb (6) 31.0 μg/m3 (28) 13.6 μg/m3 (53) 53.0
 
Sept. 17, 2019, 4 p.m. 51.0 ppb (47) 25.0 ppb (23) N/A 26.0 ppb (24) N/A N/A N/A 0.5 ppb (6) 34.0 μg/m3 (31) 13.7 μg/m3 (54) 54.0
 
Sept. 17, 2019, 3 p.m. 59.0 ppb (55) 28.0 ppb (26) N/A 31.0 ppb (29) N/A N/A N/A 0.6 ppb (7) 41.0 μg/m3 (37) 15.8 μg/m3 (58) 58.0
 
Sept. 17, 2019, 2 p.m. 71.0 ppb (68) 39.0 ppb (36) N/A 31.0 ppb (29) N/A N/A N/A 0.6 ppb (7) 38.0 μg/m3 (35) 15.9 μg/m3 (58) 68.0
 
Sept. 17, 2019, 1 p.m. 77.0 ppb (74) 45.0 ppb (42) N/A 32.0 ppb (30) N/A N/A N/A 0.8 ppb (9) 38.0 μg/m3 (35) 17.3 μg/m3 (61) 74.0
 
Sept. 17, 2019, noon 82.0 ppb (80) 47.0 ppb (44) N/A 34.0 ppb (31) N/A N/A N/A 0.8 ppb (9) 43.0 μg/m3 (39) 17.0 μg/m3 (61) 80.0
 
Sept. 17, 2019, 11 a.m. 88.0 ppb (86) 52.0 ppb (48) N/A 36.0 ppb (33) N/A N/A N/A 0.8 ppb (9) 39.0 μg/m3 (35) 16.8 μg/m3 (60) 86.0
 
Sept. 17, 2019, 10 a.m. 56.0 ppb (52) 27.0 ppb (25) N/A 28.0 ppb (26) N/A N/A N/A 0.4 ppb (4) 29.0 μg/m3 (26) 15.6 μg/m3 (58) 58.0
 
Sept. 17, 2019, 9 a.m. 33.0 ppb (31) 7.0 ppb (6) N/A 26.0 ppb (24) N/A N/A N/A 0.3 ppb (3) 27.0 μg/m3 (25) 14.9 μg/m3 (56) 56.0
 
Sept. 17, 2019, 8 a.m. 28.0 ppb (26) 3.0 ppb (3) N/A 24.0 ppb (22) N/A N/A N/A 0.2 ppb (2) 28.0 μg/m3 (25) 15.0 μg/m3 (56) 56.0
 
Sept. 17, 2019, 7 a.m. 35.0 ppb (32) 8.0 ppb (7) N/A 27.0 ppb (25) N/A N/A N/A 0.2 ppb (2) 29.0 μg/m3 (26) 15.2 μg/m3 (57) 57.0
 
Sept. 17, 2019, 6 a.m. 31.0 ppb (29) 9.0 ppb (8) N/A 22.0 ppb (20) N/A N/A N/A 0.3 ppb (3) 29.0 μg/m3 (26) 14.9 μg/m3 (56) 56.0
 
Sept. 17, 2019, 5 a.m. 34.0 ppb (31) 10.0 ppb (9) N/A 23.0 ppb (21) N/A N/A N/A 0.3 ppb (3) 41.0 μg/m3 (37) 15.9 μg/m3 (58) 58.0
 
Sept. 17, 2019, 4 a.m. 47.0 ppb (44) 17.0 ppb (16) N/A 30.0 ppb (28) N/A N/A N/A 0.5 ppb (6) 35.0 μg/m3 (32) 16.1 μg/m3 (59) 59.0
 
Sept. 17, 2019, 3 a.m. 62.0 ppb (59) 26.0 ppb (24) N/A 36.0 ppb (33) N/A N/A N/A 0.6 ppb (7) 33.0 μg/m3 (30) 16.2 μg/m3 (59) 59.0
 
Sept. 17, 2019, 2 a.m. 61.0 ppb (57) 24.0 ppb (22) N/A 36.0 ppb (33) N/A N/A N/A 0.7 ppb (8) 31.0 μg/m3 (28) 15.4 μg/m3 (57) 57.0
 
Sept. 17, 2019, 1 a.m. 69.0 ppb (66) 29.0 ppb (27) N/A 39.0 ppb (36) N/A N/A N/A 0.9 ppb (10) 29.0 μg/m3 (26) 14.9 μg/m3 (56) 66.0
 
Sept. 17, 2019, midnight 63.0 ppb (60) 29.0 ppb (27) N/A 33.0 ppb (31) N/A N/A N/A 0.8 ppb (9) 32.0 μg/m3 (29) 14.7 μg/m3 (56) 60.0
 
Sept. 16, 2019, 11 p.m. 59.0 ppb (55) 29.0 ppb (27) N/A 30.0 ppb (28) N/A N/A N/A 0.7 ppb (8) 32.0 μg/m3 (29) 15.2 μg/m3 (57) 57.0
 
Sept. 16, 2019, 10 p.m. 47.0 ppb (44) 22.0 ppb (20) N/A 25.0 ppb (23) N/A N/A N/A 0.6 ppb (7) 27.0 μg/m3 (25) 15.9 μg/m3 (58) 58.0
 
Sept. 16, 2019, 9 p.m. 48.0 ppb (44) 22.0 ppb (20) N/A 26.0 ppb (24) N/A N/A N/A 0.6 ppb (7) 32.0 μg/m3 (29) 17.1 μg/m3 (61) 61.0
 
Sept. 16, 2019, 8 p.m. 64.0 ppb (61) 30.0 ppb (28) N/A 33.0 ppb (31) N/A N/A N/A 0.7 ppb (8) 34.0 μg/m3 (31) 16.5 μg/m3 (60) 61.0
 
Sept. 16, 2019, 7 p.m. 55.0 ppb (51) 26.0 ppb (24) N/A 29.0 ppb (27) N/A N/A N/A 0.6 ppb (7) 31.0 μg/m3 (28) 16.4 μg/m3 (59) 59.0
 
Sept. 16, 2019, 6 p.m. 48.0 ppb (44) 19.0 ppb (18) N/A 28.0 ppb (26) N/A N/A N/A 0.6 ppb (7) 32.0 μg/m3 (29) 16.7 μg/m3 (60) 60.0
 
Sept. 16, 2019, 5 p.m. 44.0 ppb (41) 16.0 ppb (15) N/A 28.0 ppb (26) N/A N/A N/A 0.5 ppb (6) 35.0 μg/m3 (32) 17.3 μg/m3 (61) 61.0
 
Sept. 16, 2019, 4 p.m. 41.0 ppb (38) 16.0 ppb (15) N/A 24.0 ppb (22) N/A N/A N/A 0.5 ppb (6) 40.0 μg/m3 (36) 17.1 μg/m3 (61) 61.0
 
Sept. 16, 2019, 3 p.m. 59.0 ppb (55) 27.0 ppb (25) N/A 31.0 ppb (29) N/A N/A N/A 0.5 ppb (6) 38.0 μg/m3 (35) 17.2 μg/m3 (61) 61.0
 
Sept. 16, 2019, 2 p.m. 70.0 ppb (67) 36.0 ppb (33) N/A 34.0 ppb (31) N/A N/A N/A 0.6 ppb (7) 44.0 μg/m3 (40) 17.5 μg/m3 (62) 67.0
 
Sept. 16, 2019, 1 p.m. 97.0 ppb (96) 55.0 ppb (51) N/A 41.0 ppb (38) N/A N/A N/A 0.8 ppb (9) 44.0 μg/m3 (40) 19.8 μg/m3 (67) 96.0
 
Sept. 16, 2019, noon 94.0 ppb (93) 52.0 ppb (48) N/A 41.0 ppb (38) N/A N/A N/A 0.9 ppb (10) 36.0 μg/m3 (33) 20.1 μg/m3 (67) 93.0
 
Sept. 16, 2019, 11 a.m. 80.0 ppb (78) 41.0 ppb (38) N/A 38.0 ppb (35) N/A N/A N/A 0.8 ppb (9) 38.0 μg/m3 (35) 19.9 μg/m3 (67) 78.0
 
Sept. 16, 2019, 10 a.m. 58.0 ppb (54) 25.0 ppb (23) N/A 32.0 ppb (30) N/A N/A N/A 0.4 ppb (4) 34.0 μg/m3 (31) 19.3 μg/m3 (66) 66.0
 
Sept. 16, 2019, 9 a.m. 39.0 ppb (36) 12.0 ppb (11) N/A 27.0 ppb (25) N/A N/A N/A 0.3 ppb (3) 31.0 μg/m3 (28) 18.7 μg/m3 (64) 64.0
 
Sept. 16, 2019, 8 a.m. 28.0 ppb (26) 8.0 ppb (7) N/A 19.0 ppb (18) N/A N/A N/A 0.2 ppb (2) 28.0 μg/m3 (25) 18.2 μg/m3 (63) 63.0
 
Sept. 16, 2019, 7 a.m. 21.0 ppb (19) 6.0 ppb (6) N/A 15.0 ppb (14) N/A N/A N/A 0.3 ppb (3) 29.0 μg/m3 (26) 17.9 μg/m3 (63) 63.0
 
Sept. 16, 2019, 6 a.m. 33.0 ppb (31) 7.0 ppb (6) N/A 25.0 ppb (23) N/A N/A N/A 0.4 ppb (4) 31.0 μg/m3 (28) 19.2 μg/m3 (65) 65.0
 
Sept. 16, 2019, 5 a.m. 47.0 ppb (44) 8.0 ppb (7) N/A 38.0 ppb (35) N/A N/A N/A 0.5 ppb (6) 37.0 μg/m3 (34) 20.2 μg/m3 (67) 67.0
 
Sept. 16, 2019, 4 a.m. 49.0 ppb (45) 14.0 ppb (13) N/A 34.0 ppb (31) N/A N/A N/A 0.6 ppb (7) 41.0 μg/m3 (37) 20.5 μg/m3 (68) 68.0
 
Sept. 16, 2019, 3 a.m. 60.0 ppb (56) 19.0 ppb (18) N/A 40.0 ppb (37) N/A N/A N/A 0.8 ppb (9) 36.0 μg/m3 (33) 20.9 μg/m3 (69) 69.0
 
Sept. 16, 2019, 2 a.m. 61.0 ppb (57) 18.0 ppb (17) N/A 42.0 ppb (39) N/A N/A N/A 0.7 ppb (8) 37.0 μg/m3 (34) 20.6 μg/m3 (68) 68.0
 
Sept. 16, 2019, 1 a.m. 75.0 ppb (72) 22.0 ppb (20) N/A 53.0 ppb (49) N/A N/A N/A 0.9 ppb (10) 50.0 μg/m3 (45) 22.6 μg/m3 (73) 73.0
 
Sept. 16, 2019, midnight 61.0 ppb (57) 20.0 ppb (19) N/A 41.0 ppb (38) N/A N/A N/A 0.7 ppb (8) 34.0 μg/m3 (31) 19.1 μg/m3 (65) 65.0
 
Sept. 15, 2019, 11 p.m. 41.0 ppb (38) 13.0 ppb (12) N/A 28.0 ppb (26) N/A N/A N/A 0.6 ppb (7) 30.0 μg/m3 (27) 17.9 μg/m3 (63) 63.0
 
Sept. 15, 2019, 10 p.m. 33.0 ppb (31) 10.0 ppb (9) N/A 23.0 ppb (21) N/A N/A N/A 0.6 ppb (7) 28.0 μg/m3 (25) 17.3 μg/m3 (61) 61.0
 
Sept. 15, 2019, 9 p.m. 32.0 ppb (30) 11.0 ppb (10) N/A 20.0 ppb (19) N/A N/A N/A 0.5 ppb (6) 27.0 μg/m3 (25) 16.5 μg/m3 (60) 60.0
 
Sept. 15, 2019, 8 p.m. 16.0 ppb (15) 5.0 ppb (5) N/A 10.0 ppb (9) N/A N/A N/A 0.3 ppb (3) 25.0 μg/m3 (23) 16.0 μg/m3 (59) 59.0
 
Sept. 15, 2019, 7 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.2 ppb (2) 24.0 μg/m3 (22) 15.2 μg/m3 (57) 57.0
 
Sept. 15, 2019, 6 p.m. 21.0 ppb (19) 6.0 ppb (6) N/A 14.0 ppb (13) N/A N/A N/A 0.4 ppb (4) 28.0 μg/m3 (25) 17.3 μg/m3 (61) 61.0
 
Sept. 15, 2019, 5 p.m. 23.0 ppb (21) 7.0 ppb (6) N/A 15.0 ppb (14) N/A N/A N/A 0.4 ppb (4) 30.0 μg/m3 (27) 18.3 μg/m3 (63) 63.0
 
Sept. 15, 2019, 4 p.m. 25.0 ppb (23) 9.0 ppb (8) N/A 15.0 ppb (14) N/A N/A N/A 0.4 ppb (4) 29.0 μg/m3 (26) 17.4 μg/m3 (61) 61.0
 
Sept. 15, 2019, 3 p.m. 26.0 ppb (24) 10.0 ppb (9) N/A 16.0 ppb (15) N/A N/A N/A 0.3 ppb (3) 29.0 μg/m3 (26) 17.2 μg/m3 (61) 61.0
 
Sept. 15, 2019, 2 p.m. 28.0 ppb (26) 11.0 ppb (10) N/A 16.0 ppb (15) N/A N/A N/A 0.3 ppb (3) 27.0 μg/m3 (25) 16.7 μg/m3 (60) 60.0
 
Sept. 15, 2019, 1 p.m. 38.0 ppb (35) 16.0 ppb (15) N/A 21.0 ppb (19) N/A N/A N/A 0.4 ppb (4) 30.0 μg/m3 (27) 16.8 μg/m3 (60) 60.0
 
Sept. 15, 2019, noon 31.0 ppb (29) 10.0 ppb (9) N/A 20.0 ppb (19) N/A N/A N/A 0.3 ppb (3) 30.0 μg/m3 (27) 16.7 μg/m3 (60) 60.0
 
Sept. 15, 2019, 11 a.m. 30.0 ppb (28) 10.0 ppb (9) N/A 20.0 ppb (19) N/A N/A N/A 0.3 ppb (3) 30.0 μg/m3 (27) 17.0 μg/m3 (61) 61.0
 
Sept. 15, 2019, 10 a.m. 25.0 ppb (23) 7.0 ppb (6) N/A 18.0 ppb (17) N/A N/A N/A 0.2 ppb (2) 28.0 μg/m3 (25) 17.2 μg/m3 (61) 61.0
 
Sept. 15, 2019, 9 a.m. 21.0 ppb (19) 4.0 ppb (4) N/A 17.0 ppb (16) N/A N/A N/A 0.2 ppb (2) 27.0 μg/m3 (25) 17.1 μg/m3 (61) 61.0
 
Sept. 15, 2019, 8 a.m. 29.0 ppb (27) 7.0 ppb (6) N/A 22.0 ppb (20) N/A N/A N/A 0.2 ppb (2) 28.0 μg/m3 (25) 17.5 μg/m3 (62) 62.0
 
Sept. 15, 2019, 7 a.m. 28.0 ppb (26) 6.0 ppb (6) N/A 21.0 ppb (19) N/A N/A N/A 0.3 ppb (3) 27.0 μg/m3 (25) 17.3 μg/m3 (61) 61.0
 
Sept. 15, 2019, 6 a.m. 37.0 ppb (34) 11.0 ppb (10) N/A 26.0 ppb (24) N/A N/A N/A 0.3 ppb (3) 40.0 μg/m3 (36) 20.0 μg/m3 (67) 67.0
 
Sept. 15, 2019, 5 a.m. 45.0 ppb (42) 16.0 ppb (15) N/A 29.0 ppb (27) N/A N/A N/A 0.5 ppb (6) 33.0 μg/m3 (30) 18.6 μg/m3 (64) 64.0
 
Sept. 15, 2019, 4 a.m. 52.0 ppb (48) 19.0 ppb (18) N/A 32.0 ppb (30) N/A N/A N/A 0.6 ppb (7) 37.0 μg/m3 (34) 18.3 μg/m3 (63) 63.0
 
Sept. 15, 2019, 3 a.m. 56.0 ppb (52) 21.0 ppb (19) N/A 35.0 ppb (32) N/A N/A N/A 0.7 ppb (8) 32.0 μg/m3 (29) 18.5 μg/m3 (64) 64.0
 
Sept. 15, 2019, 2 a.m. 61.0 ppb (57) 22.0 ppb (20) N/A 39.0 ppb (36) N/A N/A N/A 0.8 ppb (9) 35.0 μg/m3 (32) 18.9 μg/m3 (65) 65.0
 
Sept. 15, 2019, 1 a.m. 72.0 ppb (69) 28.0 ppb (26) N/A 44.0 ppb (41) N/A N/A N/A 0.8 ppb (9) 41.0 μg/m3 (37) 18.6 μg/m3 (64) 69.0
 
Sept. 15, 2019, midnight 60.0 ppb (56) 20.0 ppb (19) N/A 40.0 ppb (37) N/A N/A N/A 0.6 ppb (7) 30.0 μg/m3 (27) 16.4 μg/m3 (59) 59.0
 
Sept. 14, 2019, 11 p.m. 27.0 ppb (25) 8.0 ppb (7) N/A 19.0 ppb (18) N/A N/A N/A 0.4 ppb (4) 25.0 μg/m3 (23) 14.9 μg/m3 (56) 56.0
 
Sept. 14, 2019, 10 p.m. 26.0 ppb (24) 9.0 ppb (8) N/A 17.0 ppb (16) N/A N/A N/A 0.4 ppb (4) 25.0 μg/m3 (23) 14.6 μg/m3 (56) 56.0
 
Sept. 14, 2019, 9 p.m. 35.0 ppb (32) 13.0 ppb (12) N/A 21.0 ppb (19) N/A N/A N/A 0.4 ppb (4) 36.0 μg/m3 (33) 15.2 μg/m3 (57) 57.0
 
Sept. 14, 2019, 8 p.m. 15.0 ppb (14) 4.0 ppb (4) N/A 10.0 ppb (9) N/A N/A N/A 0.2 ppb (2) 21.0 μg/m3 (19) 13.7 μg/m3 (54) 54.0
 
Sept. 14, 2019, 7 p.m. 15.0 ppb (14) 4.0 ppb (4) N/A 10.0 ppb (9) N/A N/A N/A 0.2 ppb (2) 23.0 μg/m3 (21) 12.9 μg/m3 (52) 52.0
 
Sept. 14, 2019, 6 p.m. 9.0 ppb (8) 2.0 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.2 ppb (2) 20.0 μg/m3 (18) 12.0 μg/m3 (50) 50.0
 
Sept. 14, 2019, 5 p.m. 20.0 ppb (19) 6.0 ppb (6) N/A 13.0 ppb (12) N/A N/A N/A 0.3 ppb (3) 24.0 μg/m3 (22) 11.4 μg/m3 (48) 48.0
 
Sept. 14, 2019, 4 p.m. 41.0 ppb (38) 18.0 ppb (17) N/A 23.0 ppb (21) N/A N/A N/A 0.6 ppb (7) 20.0 μg/m3 (18) 10.8 μg/m3 (45) 45.0
 
Sept. 14, 2019, 3 p.m. 50.0 ppb (46) 26.0 ppb (24) N/A 24.0 ppb (22) N/A N/A N/A 0.5 ppb (6) 20.0 μg/m3 (18) 9.7 μg/m3 (40) 46.0
 
Sept. 14, 2019, 2 p.m. 52.0 ppb (48) 30.0 ppb (28) N/A 22.0 ppb (20) N/A N/A N/A 0.6 ppb (7) 22.0 μg/m3 (20) 9.5 μg/m3 (40) 48.0
 
Sept. 14, 2019, 1 p.m. 56.0 ppb (52) 32.0 ppb (30) N/A 23.0 ppb (21) N/A N/A N/A 0.5 ppb (6) 19.0 μg/m3 (17) 8.0 μg/m3 (33) 52.0
 
Sept. 14, 2019, noon 62.0 ppb (59) 37.0 ppb (34) N/A 25.0 ppb (23) N/A N/A N/A 0.6 ppb (7) 19.0 μg/m3 (17) 7.5 μg/m3 (31) 59.0
 
Sept. 14, 2019, 11 a.m. 55.0 ppb (51) 30.0 ppb (28) N/A 24.0 ppb (22) N/A N/A N/A 0.4 ppb (4) 16.0 μg/m3 (15) 7.1 μg/m3 (30) 51.0
 
Sept. 14, 2019, 10 a.m. 36.0 ppb (33) 17.0 ppb (16) N/A 18.0 ppb (17) N/A N/A N/A 0.2 ppb (2) 16.0 μg/m3 (15) 6.6 μg/m3 (28) 33.0
 
Sept. 14, 2019, 9 a.m. 24.0 ppb (22) 11.0 ppb (10) N/A 13.0 ppb (12) N/A N/A N/A 0.2 ppb (2) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2019, 8 a.m. 21.0 ppb (19) 10.0 ppb (9) N/A 10.0 ppb (9) N/A N/A N/A 0.2 ppb (2) 12.0 μg/m3 (11) 5.9 μg/m3 (25) 25.0
 
Sept. 14, 2019, 7 a.m. 14.0 ppb (13) 6.0 ppb (6) N/A 8.0 ppb (7) N/A N/A N/A 0.2 ppb (2) 12.0 μg/m3 (11) 5.8 μg/m3 (24) 24.0
 
Sept. 14, 2019, 6 a.m. 17.0 ppb (16) 7.0 ppb (6) N/A 10.0 ppb (9) N/A N/A N/A 0.3 ppb (3) 11.0 μg/m3 (10) 5.8 μg/m3 (24) 24.0
 
Sept. 14, 2019, 5 a.m. 27.0 ppb (25) 13.0 ppb (12) N/A 14.0 ppb (13) N/A N/A N/A 0.3 ppb (3) 12.0 μg/m3 (11) 5.9 μg/m3 (25) 25.0
 
Sept. 14, 2019, 4 a.m. 33.0 ppb (31) 17.0 ppb (16) N/A 15.0 ppb (14) N/A N/A N/A 0.4 ppb (4) 12.0 μg/m3 (11) 5.6 μg/m3 (23) 31.0
 
Sept. 14, 2019, 3 a.m. 36.0 ppb (33) 17.0 ppb (16) N/A 19.0 ppb (18) N/A N/A N/A 0.5 ppb (6) 13.0 μg/m3 (12) 5.4 μg/m3 (23) 33.0
 
Sept. 14, 2019, 2 a.m. 38.0 ppb (35) 20.0 ppb (19) N/A 18.0 ppb (17) N/A N/A N/A 0.5 ppb (6) 12.0 μg/m3 (11) 5.4 μg/m3 (23) 35.0
 
Sept. 14, 2019, 1 a.m. 39.0 ppb (36) 22.0 ppb (20) N/A 17.0 ppb (16) N/A N/A N/A 0.4 ppb (4) 13.0 μg/m3 (12) 4.8 μg/m3 (20) 36.0
 
Sept. 14, 2019, midnight 42.0 ppb (39) 23.0 ppb (21) N/A 18.0 ppb (17) N/A N/A N/A 0.5 ppb (6) 12.0 μg/m3 (11) 4.8 μg/m3 (20) 39.0
 
Sept. 13, 2019, 11 p.m. 46.0 ppb (43) 23.0 ppb (21) N/A 22.0 ppb (20) N/A N/A N/A 0.6 ppb (7) 11.0 μg/m3 (10) 4.4 μg/m3 (18) 43.0
 
Sept. 13, 2019, 10 p.m. 60.0 ppb (56) 28.0 ppb (26) N/A 32.0 ppb (30) N/A N/A N/A 0.6 ppb (7) 11.0 μg/m3 (10) 4.8 μg/m3 (20) 56.0
 
Sept. 13, 2019, 9 p.m. 51.0 ppb (47) 23.0 ppb (21) N/A 28.0 ppb (26) N/A N/A N/A 0.5 ppb (6) 11.0 μg/m3 (10) 4.8 μg/m3 (20) 47.0
 
Sept. 13, 2019, 8 p.m. 58.0 ppb (54) 28.0 ppb (26) N/A 29.0 ppb (27) N/A N/A N/A 0.6 ppb (7) 14.0 μg/m3 (13) 6.3 μg/m3 (26) 54.0
 
Sept. 13, 2019, 7 p.m. 37.0 ppb (34) 16.0 ppb (15) N/A 21.0 ppb (19) N/A N/A N/A 0.5 ppb (6) 14.0 μg/m3 (13) 7.1 μg/m3 (30) 34.0
 
Sept. 13, 2019, 6 p.m. 29.0 ppb (27) 12.0 ppb (11) N/A 16.0 ppb (15) N/A N/A N/A 0.3 ppb (3) 14.0 μg/m3 (13) 7.4 μg/m3 (31) 31.0
 
Sept. 13, 2019, 5 p.m. 13.0 ppb (12) 4.0 ppb (4) N/A 9.0 ppb (8) N/A N/A N/A 0.1 ppb (1) 10.0 μg/m3 (9) 5.7 μg/m3 (24) 24.0
 
Sept. 13, 2019, 4 p.m. 11.0 ppb (10) 2.0 ppb (2) N/A 8.0 ppb (7) N/A N/A N/A 0.1 ppb (1) 7.0 μg/m3 (6) 3.0 μg/m3 (12) 12.0
 
Sept. 13, 2019, 3 p.m. 11.0 ppb (10) 3.0 ppb (3) N/A 8.0 ppb (7) N/A N/A N/A 0.1 ppb (1) 6.0 μg/m3 (5) 2.4 μg/m3 (10) 10.0
 
Sept. 13, 2019, 2 p.m. 29.0 ppb (27) 12.0 ppb (11) N/A 17.0 ppb (16) N/A N/A N/A 0.2 ppb (2) 8.0 μg/m3 (7) 2.8 μg/m3 (12) 27.0
 
Sept. 13, 2019, 1 p.m. 13.0 ppb (12) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A N/A 0.1 ppb (1) 8.0 μg/m3 (7) 3.1 μg/m3 (13) 13.0
 
Sept. 13, 2019, noon 19.0 ppb (18) 5.0 ppb (5) N/A 14.0 ppb (13) N/A N/A N/A 0.1 ppb (1) 8.0 μg/m3 (7) 3.1 μg/m3 (13) 18.0
 
Sept. 13, 2019, 11 a.m. 49.0 ppb (45) 23.0 ppb (21) N/A 26.0 ppb (24) N/A N/A N/A 0.3 ppb (3) 17.0 μg/m3 (15) 6.8 μg/m3 (28) 45.0
 
Sept. 13, 2019, 10 a.m. 9.0 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.0 ppb (0) 6.0 μg/m3 (5) 2.6 μg/m3 (11) 11.0
 
Sept. 13, 2019, 9 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.0 ppb (0) 7.0 μg/m3 (6) 2.5 μg/m3 (10) 10.0
 
Sept. 13, 2019, 8 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.0 ppb (0) 5.0 μg/m3 (5) 1.8 μg/m3 (8) 8.0
 
Sept. 13, 2019, 7 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.0 ppb (0) 6.0 μg/m3 (5) 2.8 μg/m3 (12) 12.0
 
Sept. 13, 2019, 6 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.0 ppb (0) 7.0 μg/m3 (6) 3.4 μg/m3 (14) 14.0
 
Sept. 13, 2019, 5 a.m. 15.0 ppb (14) 3.0 ppb (3) N/A 12.0 ppb (11) N/A N/A N/A 0.1 ppb (1) 12.0 μg/m3 (11) 4.9 μg/m3 (20) 20.0
 
Sept. 13, 2019, 4 a.m. 21.0 ppb (19) 8.0 ppb (7) N/A 12.0 ppb (11) N/A N/A N/A 0.2 ppb (2) 11.0 μg/m3 (10) 4.5 μg/m3 (19) 19.0
 
Sept. 13, 2019, 3 a.m. 17.0 ppb (16) 5.0 ppb (5) N/A 11.0 ppb (10) N/A N/A N/A 0.1 ppb (1) 12.0 μg/m3 (11) 5.6 μg/m3 (23) 23.0
 
Sept. 13, 2019, 2 a.m. 15.0 ppb (14) 4.0 ppb (4) N/A 11.0 ppb (10) N/A N/A N/A 0.1 ppb (1) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Sept. 13, 2019, 1 a.m. 16.0 ppb (15) 6.0 ppb (6) N/A 9.0 ppb (8) N/A N/A N/A 0.2 ppb (2) 18.0 μg/m3 (16) 7.3 μg/m3 (30) 30.0
 
Sept. 13, 2019, midnight 40.0 ppb (37) 19.0 ppb (18) N/A 21.0 ppb (19) N/A N/A N/A 0.4 ppb (4) 28.0 μg/m3 (25) 6.4 μg/m3 (27) 37.0
 
Sept. 12, 2019, 11 p.m. 57.0 ppb (53) 33.0 ppb (31) N/A 24.0 ppb (22) N/A N/A N/A 0.6 ppb (7) 26.0 μg/m3 (24) 6.2 μg/m3 (26) 53.0
 
Sept. 12, 2019, 10 p.m. 34.0 ppb (31) 16.0 ppb (15) N/A 17.0 ppb (16) N/A N/A N/A 0.3 ppb (3) 21.0 μg/m3 (19) 5.7 μg/m3 (24) 31.0
 
Sept. 12, 2019, 9 p.m. 25.0 ppb (23) 11.0 ppb (10) N/A 13.0 ppb (12) N/A N/A N/A 0.3 ppb (3) 23.0 μg/m3 (21) 6.4 μg/m3 (27) 27.0
 
Sept. 12, 2019, 8 p.m. 42.0 ppb (39) 23.0 ppb (21) N/A 19.0 ppb (18) N/A N/A N/A 0.4 ppb (4) 33.0 μg/m3 (30) 7.7 μg/m3 (32) 39.0